board-ap4evb.c 24.7 KB
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/*
 * AP4EVB board support
 *
 * Copyright (C) 2010  Magnus Damm
 * Copyright (C) 2008  Yoshihiro Shimoda
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
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#include <linux/clk.h>
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#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
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#include <linux/mfd/sh_mobile_sdhi.h>
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#include <linux/mfd/tmio.h>
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#include <linux/mmc/host.h>
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#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
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#include <linux/mmc/sh_mmcif.h>
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#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/sh_intc.h>
#include <linux/sh_clk.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/leds.h>
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#include <linux/input/sh_keysc.h>
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#include <linux/usb/r8a66597.h>
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#include <sound/sh_fsi.h>

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#include <video/sh_mobile_hdmi.h>
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#include <video/sh_mobile_lcdc.h>
#include <video/sh_mipi_dsi.h>

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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/sh7372.h>
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#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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/*
 * Address	Interface		BusWidth	note
 * ------------------------------------------------------------------
 * 0x0000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = ON
 * 0x0800_0000	user area		-
 * 0x1000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = OFF
 * 0x1400_0000	Ether (LAN9220)		16bit
 * 0x1600_0000	user area		-		cannot use with NAND
 * 0x1800_0000	user area		-
 * 0x1A00_0000	-
 * 0x4000_0000	LPDDR2-SDRAM (POP)	32bit
 */

/*
 * NOR Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NOR Flash ROM
 *  bit1 | bit1  bit2 | bit1 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    Area 0
 *  OFF  | ON     OFF | OFF  |    Area 4
 */

/*
 * NAND Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NAND Flash ROM
 *  bit1 | bit1  bit2 | bit2 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    FCE 0
 *  OFF  | ON     OFF | OFF  |    FCE 1
 */

/*
 * SMSC 9220
 *
 *  SW1		SMSC 9220
 * -----------------------
 *  ON		access disable
 *  OFF		access enable
 */

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/*
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 * LCD / IRQ / KEYSC / IrDA
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 *
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 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 * LCD = 2nd LCDC (WVGA)
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 *
 * 		|		SW43			|
 * SW3		|	ON		|	OFF	|
 * -------------+-----------------------+---------------+
 * ON		| KEY / IrDA		| LCD		|
 * OFF		| KEY / IrDA / IRQ	| IRQ		|
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 *
 *
 * QHD / WVGA display
 *
 * You can choice display type on menuconfig.
 * Then, check above dip-switch.
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 */

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/*
 * USB
 *
 * J7 : 1-2  MAX3355E VBUS
 *      2-3  DC 5.0V
 *
 * S39: bit2: off
 */

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/*
 * FSI/FSMI
 *
 * SW41	:  ON : SH-Mobile AP4 Audio Mode
 *	: OFF : Bluetooth Audio Mode
 */

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/*
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 * MMC0/SDHI1 (CN7)
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 *
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 * J22 : select card voltage
 *       1-2 pin : 1.8v
 *       2-3 pin : 3.3v
 *
 *        SW1  |             SW33
 *             | bit1 | bit2 | bit3 | bit4
 * ------------+------+------+------+-------
 * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 *
 * voltage lebel
 * CN7 : 1.8v
 * CN12: 3.3v
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 */

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/* MTD */
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static struct mtd_partition nor_flash_partitions[] = {
	{
		.name		= "loader",
		.offset		= 0x00000000,
		.size		= 512 * 1024,
	},
	{
		.name		= "bootenv",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 512 * 1024,
	},
	{
		.name		= "kernel_ro",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 8 * 1024 * 1024,
		.mask_flags	= MTD_WRITEABLE,
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 8 * 1024 * 1024,
	},
	{
		.name		= "data",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data nor_flash_data = {
	.width		= 2,
	.parts		= nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
};

static struct resource nor_flash_resources[] = {
	[0]	= {
		.start	= 0x00000000,
		.end	= 0x08000000 - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device nor_flash_device = {
	.name		= "physmap-flash",
	.dev		= {
		.platform_data	= &nor_flash_data,
	},
	.num_resources	= ARRAY_SIZE(nor_flash_resources),
	.resource	= nor_flash_resources,
};

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/* SMSC 9220 */
static struct resource smc911x_resources[] = {
	{
		.start	= 0x14000000,
		.end	= 0x16000000 - 1,
		.flags	= IORESOURCE_MEM,
	}, {
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		.start	= evt2irq(0x02c0) /* IRQ6A */,
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		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct smsc911x_platform_config smsc911x_info = {
	.flags		= SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct platform_device smc911x_device = {
	.name           = "smsc911x",
	.id             = -1,
	.num_resources  = ARRAY_SIZE(smc911x_resources),
	.resource       = smc911x_resources,
	.dev            = {
		.platform_data = &smsc911x_info,
	},
};
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/* SH_MMCIF */
static struct resource sh_mmcif_resources[] = {
	[0] = {
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		.name	= "MMCIF",
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		.start	= 0xE6BD0000,
		.end	= 0xE6BD00FF,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		/* MMC ERR */
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		.start	= evt2irq(0x1ac0),
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		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		/* MMC NOR */
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		.start	= evt2irq(0x1ae0),
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		.flags	= IORESOURCE_IRQ,
	},
};

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static struct sh_mmcif_plat_data sh_mmcif_plat = {
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	.sup_pclk	= 0,
	.ocr		= MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
	.caps		= MMC_CAP_4_BIT_DATA |
			  MMC_CAP_8_BIT_DATA |
			  MMC_CAP_NEEDS_POLL,
};

static struct platform_device sh_mmcif_device = {
	.name		= "sh_mmcif",
	.id		= 0,
	.dev		= {
		.dma_mask		= NULL,
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &sh_mmcif_plat,
	},
	.num_resources	= ARRAY_SIZE(sh_mmcif_resources),
	.resource	= sh_mmcif_resources,
};

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/* SDHI0 */
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static struct sh_mobile_sdhi_info sdhi0_info = {
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	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
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};

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static struct resource sdhi0_resources[] = {
	[0] = {
		.name	= "SDHI0",
		.start  = 0xe6850000,
		.end    = 0xe68501ff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
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		.start  = evt2irq(0x0e00) /* SDHI0 */,
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		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device sdhi0_device = {
	.name           = "sh_mobile_sdhi",
	.num_resources  = ARRAY_SIZE(sdhi0_resources),
	.resource       = sdhi0_resources,
	.id             = 0,
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	.dev	= {
		.platform_data	= &sdhi0_info,
	},
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};

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/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_info = {
	.dma_slave_tx	= SHDMA_SLAVE_SDHI1_TX,
	.dma_slave_rx	= SHDMA_SLAVE_SDHI1_RX,
	.tmio_ocr_mask	= MMC_VDD_165_195,
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	.tmio_flags	= TMIO_MMC_WRPROTECT_DISABLE,
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};

static struct resource sdhi1_resources[] = {
	[0] = {
		.name	= "SDHI1",
		.start  = 0xe6860000,
		.end    = 0xe68601ff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = evt2irq(0x0e80),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device sdhi1_device = {
	.name           = "sh_mobile_sdhi",
	.num_resources  = ARRAY_SIZE(sdhi1_resources),
	.resource       = sdhi1_resources,
	.id             = 1,
	.dev	= {
		.platform_data	= &sdhi1_info,
	},
};

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/* USB1 */
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static void usb1_host_port_power(int port, int power)
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{
	if (!power) /* only power-on supported for now */
		return;

	/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
	__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}

static struct r8a66597_platdata usb1_host_data = {
	.on_chip	= 1,
	.port_power	= usb1_host_port_power,
};

static struct resource usb1_host_resources[] = {
	[0] = {
		.name	= "USBHS",
		.start	= 0xE68B0000,
		.end	= 0xE68B00E6 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
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		.start	= evt2irq(0x1ce0) /* USB1_USB1I0 */,
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		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device usb1_host_device = {
	.name	= "r8a66597_hcd",
	.id	= 1,
	.dev = {
		.dma_mask		= NULL,         /*  not use dma */
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &usb1_host_data,
	},
	.num_resources	= ARRAY_SIZE(usb1_host_resources),
	.resource	= usb1_host_resources,
};

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const static struct fb_videomode ap4evb_lcdc_modes[] = {
	{
#ifdef CONFIG_AP4EVB_QHD
		.name		= "R63302(QHD)",
		.xres		= 544,
		.yres		= 961,
		.left_margin	= 72,
		.right_margin	= 600,
		.hsync_len	= 16,
		.upper_margin	= 8,
		.lower_margin	= 8,
		.vsync_len	= 2,
		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
#else
		.name		= "WVGA Panel",
		.xres		= 800,
		.yres		= 480,
		.left_margin	= 220,
		.right_margin	= 110,
		.hsync_len	= 70,
		.upper_margin	= 20,
		.lower_margin	= 5,
		.vsync_len	= 5,
		.sync		= 0,
#endif
	},
};

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static struct sh_mobile_lcdc_info lcdc_info = {
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	.ch[0] = {
		.chan = LCDC_CHAN_MAINLCD,
		.bpp = 16,
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		.lcd_cfg = ap4evb_lcdc_modes,
		.num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
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	}
};

static struct resource lcdc_resources[] = {
	[0] = {
		.name	= "LCDC",
		.start	= 0xfe940000, /* P4-only space */
		.end	= 0xfe943fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= intcs_evt2irq(0x580),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device lcdc_device = {
	.name		= "sh_mobile_lcdc_fb",
	.num_resources	= ARRAY_SIZE(lcdc_resources),
	.resource	= lcdc_resources,
	.dev	= {
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		.platform_data	= &lcdc_info,
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		.coherent_dma_mask = ~0,
	},
};

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/*
 * QHD display
 */
#ifdef CONFIG_AP4EVB_QHD

/* KEYSC (Needs SW43 set to ON) */
static struct sh_keysc_info keysc_info = {
	.mode		= SH_KEYSC_MODE_1,
	.scan_timing	= 3,
	.delay		= 2500,
	.keycodes = {
		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
		KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
		KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
	},
};

static struct resource keysc_resources[] = {
	[0] = {
		.name	= "KEYSC",
		.start  = 0xe61b0000,
		.end    = 0xe61b0063,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = evt2irq(0x0be0), /* KEYSC_KEY */
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device keysc_device = {
	.name           = "sh_keysc",
	.id             = 0, /* "keysc0" clock */
	.num_resources  = ARRAY_SIZE(keysc_resources),
	.resource       = keysc_resources,
	.dev	= {
		.platform_data	= &keysc_info,
	},
};

/* MIPI-DSI */
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static struct resource mipidsi0_resources[] = {
	[0] = {
		.start  = 0xffc60000,
		.end    = 0xffc68fff,
		.flags  = IORESOURCE_MEM,
	},
};

static struct sh_mipi_dsi_info mipidsi0_info = {
	.data_format	= MIPI_RGB888,
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	.lcd_chan	= &lcdc_info.ch[0],
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};

static struct platform_device mipidsi0_device = {
	.name           = "sh-mipi-dsi",
	.num_resources  = ARRAY_SIZE(mipidsi0_resources),
	.resource       = mipidsi0_resources,
	.id             = 0,
	.dev	= {
		.platform_data	= &mipidsi0_info,
	},
};

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/* This function will disappear when we switch to (runtime) PM */
static int __init ap4evb_init_display_clk(void)
{
	struct clk *lcdc_clk;
	struct clk *dsitx_clk;
	int ret;

	lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
	if (IS_ERR(lcdc_clk))
		return PTR_ERR(lcdc_clk);

	dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
	if (IS_ERR(dsitx_clk)) {
		ret = PTR_ERR(dsitx_clk);
		goto eclkdsitxget;
	}

	ret = clk_enable(lcdc_clk);
	if (ret < 0)
		goto eclklcdcon;

	ret = clk_enable(dsitx_clk);
	if (ret < 0)
		goto eclkdsitxon;

	return 0;

eclkdsitxon:
	clk_disable(lcdc_clk);
eclklcdcon:
	clk_put(dsitx_clk);
eclkdsitxget:
	clk_put(lcdc_clk);

	return ret;
}
device_initcall(ap4evb_init_display_clk);

static struct platform_device *qhd_devices[] __initdata = {
	&mipidsi0_device,
	&keysc_device,
};
#endif /* CONFIG_AP4EVB_QHD */

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/* FSI */
#define IRQ_FSI		evt2irq(0x1840)
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static struct sh_fsi_platform_info fsi_info = {
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	.porta_flags = SH_FSI_BRS_INV |
		       SH_FSI_OUT_SLAVE_MODE |
		       SH_FSI_IN_SLAVE_MODE |
		       SH_FSI_OFMT(PCM) |
		       SH_FSI_IFMT(PCM),
};

static struct resource fsi_resources[] = {
	[0] = {
		.name	= "FSI",
		.start	= 0xFE3C0000,
		.end	= 0xFE3C0400 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start  = IRQ_FSI,
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device fsi_device = {
	.name		= "sh_fsi2",
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	.id		= -1,
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	.num_resources	= ARRAY_SIZE(fsi_resources),
	.resource	= fsi_resources,
	.dev	= {
		.platform_data	= &fsi_info,
	},
};

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static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
	.clock_source = LCDC_CLK_EXTERNAL,
	.ch[0] = {
		.chan = LCDC_CHAN_MAINLCD,
		.bpp = 16,
		.interface_type = RGB24,
		.clock_divider = 1,
		.flags = LCDC_FLAGS_DWPOL,
	}
};

static struct resource lcdc1_resources[] = {
	[0] = {
		.name	= "LCDC1",
		.start	= 0xfe944000,
		.end	= 0xfe947fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
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		.start	= intcs_evt2irq(0x1780),
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		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device lcdc1_device = {
	.name		= "sh_mobile_lcdc_fb",
	.num_resources	= ARRAY_SIZE(lcdc1_resources),
	.resource	= lcdc1_resources,
	.id             = 1,
	.dev	= {
		.platform_data	= &sh_mobile_lcdc1_info,
		.coherent_dma_mask = ~0,
	},
};

static struct sh_mobile_hdmi_info hdmi_info = {
	.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
	.lcd_dev = &lcdc1_device.dev,
};

static struct resource hdmi_resources[] = {
	[0] = {
		.name	= "HDMI",
		.start	= 0xe6be0000,
		.end	= 0xe6be00ff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		/* There's also an HDMI interrupt on INTCS @ 0x18e0 */
		.start	= evt2irq(0x17e0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device hdmi_device = {
	.name		= "sh-mobile-hdmi",
	.num_resources	= ARRAY_SIZE(hdmi_resources),
	.resource	= hdmi_resources,
	.id             = -1,
	.dev	= {
		.platform_data	= &hdmi_info,
	},
};

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static struct gpio_led ap4evb_leds[] = {
	{
		.name			= "led4",
		.gpio			= GPIO_PORT185,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led2",
		.gpio			= GPIO_PORT186,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led3",
		.gpio			= GPIO_PORT187,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led1",
		.gpio			= GPIO_PORT188,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	}
};

static struct gpio_led_platform_data ap4evb_leds_pdata = {
	.num_leds = ARRAY_SIZE(ap4evb_leds),
669
	.leds = ap4evb_leds,
670 671 672 673 674 675 676 677 678 679
};

static struct platform_device leds_device = {
	.name = "leds-gpio",
	.id = 0,
	.dev = {
		.platform_data  = &ap4evb_leds_pdata,
	},
};

680
static struct platform_device *ap4evb_devices[] __initdata = {
681
	&leds_device,
682
	&nor_flash_device,
683
	&smc911x_device,
684
	&sdhi0_device,
685
	&sdhi1_device,
686
	&usb1_host_device,
687
	&fsi_device,
688
	&sh_mmcif_device,
689 690 691
	&lcdc1_device,
	&lcdc_device,
	&hdmi_device,
692 693
};

694 695 696 697 698 699 700 701 702 703 704 705
static int __init hdmi_init_pm_clock(void)
{
	struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
	int ret;
	long rate;

	if (IS_ERR(hdmi_ick)) {
		ret = PTR_ERR(hdmi_ick);
		pr_err("Cannot get HDMI ICK: %d\n", ret);
		goto out;
	}

706
	ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
707
	if (ret < 0) {
708
		pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
709 710 711
		goto out;
	}

712
	pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
713

714
	rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
715 716 717 718 719 720
	if (rate < 0) {
		pr_err("Cannot get suitable rate: %ld\n", rate);
		ret = rate;
		goto out;
	}

721
	ret = clk_set_rate(&sh7372_pllc2_clk, rate);
722 723 724 725 726 727 728
	if (ret < 0) {
		pr_err("Cannot set rate %ld: %d\n", rate, ret);
		goto out;
	}

	pr_debug("PLLC2 set frequency %lu\n", rate);

729
	ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
730 731 732 733 734 735 736 737 738 739 740 741 742
	if (ret < 0) {
		pr_err("Cannot set HDMI parent: %d\n", ret);
		goto out;
	}

out:
	if (!IS_ERR(hdmi_ick))
		clk_put(hdmi_ick);
	return ret;
}

device_initcall(hdmi_init_pm_clock);

743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783
#define FSIACK_DUMMY_RATE 48000
static int __init fsi_init_pm_clock(void)
{
	struct clk *fsia_ick;
	int ret;

	/*
	 * FSIACK is connected to AK4642,
	 * and the rate is depend on playing sound rate.
	 * So, set dummy rate (= 48k) here
	 */
	ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
	if (ret < 0) {
		pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
		return ret;
	}

	fsia_ick = clk_get(&fsi_device.dev, "icka");
	if (IS_ERR(fsia_ick)) {
		ret = PTR_ERR(fsia_ick);
		pr_err("Cannot get FSI ICK: %d\n", ret);
		return ret;
	}

	ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
	if (ret < 0) {
		pr_err("Cannot set FSI-A parent: %d\n", ret);
		goto out;
	}

	ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
	if (ret < 0)
		pr_err("Cannot set FSI-A rate: %d\n", ret);

out:
	clk_put(fsia_ick);

	return ret;
}
device_initcall(fsi_init_pm_clock);

784 785 786 787 788 789 790 791 792 793 794 795 796 797 798
/*
 * FIXME !!
 *
 * gpio_no_direction
 * are quick_hack.
 *
 * current gpio frame work doesn't have
 * the method to control only pull up/down/free.
 * this function should be replaced by correct gpio function
 */
static void __init gpio_no_direction(u32 addr)
{
	__raw_writeb(0x00, addr);
}

799
/* TouchScreen */
800 801 802 803 804 805 806 807
#ifdef CONFIG_AP4EVB_QHD
# define GPIO_TSC_IRQ	GPIO_FN_IRQ28_123
# define GPIO_TSC_PORT	GPIO_PORT123
#else /* WVGA */
# define GPIO_TSC_IRQ	GPIO_FN_IRQ7_40
# define GPIO_TSC_PORT	GPIO_PORT40
#endif

808
#define IRQ28	evt2irq(0x3380) /* IRQ28A */
809
#define IRQ7	evt2irq(0x02e0) /* IRQ7A */
810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833
static int ts_get_pendown_state(void)
{
	int val;

	gpio_free(GPIO_TSC_IRQ);

	gpio_request(GPIO_TSC_PORT, NULL);

	gpio_direction_input(GPIO_TSC_PORT);

	val = gpio_get_value(GPIO_TSC_PORT);

	gpio_request(GPIO_TSC_IRQ, NULL);

	return !val;
}

static int ts_init(void)
{
	gpio_request(GPIO_TSC_IRQ, NULL);

	return 0;
}

834
static struct tsc2007_platform_data tsc2007_info = {
835
	.model			= 2007,
836 837 838
	.x_plate_ohms		= 180,
	.get_pendown_state	= ts_get_pendown_state,
	.init_platform_hw	= ts_init,
839 840
};

841 842 843 844 845 846 847
static struct i2c_board_info tsc_device = {
	I2C_BOARD_INFO("tsc2007", 0x48),
	.type		= "tsc2007",
	.platform_data	= &tsc2007_info,
	/*.irq is selected on ap4evb_init */
};

848
/* I2C */
849 850 851 852 853 854
static struct i2c_board_info i2c0_devices[] = {
	{
		I2C_BOARD_INFO("ak4643", 0x13),
	},
};

855
static struct i2c_board_info i2c1_devices[] = {
856 857 858
	{
		I2C_BOARD_INFO("r2025sd", 0x32),
	},
859 860
};

861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
static struct map_desc ap4evb_io_desc[] __initdata = {
	/* create a 1:1 entity map for 0xe6xxxxxx
	 * used by CPGA, INTC and PFC.
	 */
	{
		.virtual	= 0xe6000000,
		.pfn		= __phys_to_pfn(0xe6000000),
		.length		= 256 << 20,
		.type		= MT_DEVICE_NONSHARED
	},
};

static void __init ap4evb_map_io(void)
{
	iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));

877
	/* setup early devices and console here as well */
878
	sh7372_add_early_devices();
879
	shmobile_setup_console();
880 881
}

882 883
#define GPIO_PORT9CR	0xE6051009
#define GPIO_PORT10CR	0xE605100A
884 885
static void __init ap4evb_init(void)
{
886
	u32 srcr4;
887 888
	struct clk *clk;

889 890
	sh7372_pinmux_init();

891 892 893 894
	/* enable SCIFA0 */
	gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
	gpio_request(GPIO_FN_SCIFA0_RXD, NULL);

895 896 897 898
	/* enable SMSC911X */
	gpio_request(GPIO_FN_CS5A,	NULL);
	gpio_request(GPIO_FN_IRQ6_39,	NULL);

899 900 901 902 903 904 905 906 907 908 909 910 911 912
	/* enable Debug switch (S6) */
	gpio_request(GPIO_PORT32, NULL);
	gpio_request(GPIO_PORT33, NULL);
	gpio_request(GPIO_PORT34, NULL);
	gpio_request(GPIO_PORT35, NULL);
	gpio_direction_input(GPIO_PORT32);
	gpio_direction_input(GPIO_PORT33);
	gpio_direction_input(GPIO_PORT34);
	gpio_direction_input(GPIO_PORT35);
	gpio_export(GPIO_PORT32, 0);
	gpio_export(GPIO_PORT33, 0);
	gpio_export(GPIO_PORT34, 0);
	gpio_export(GPIO_PORT35, 0);

913 914 915 916 917 918 919 920 921 922
	/* SDHI0 */
	gpio_request(GPIO_FN_SDHICD0, NULL);
	gpio_request(GPIO_FN_SDHIWP0, NULL);
	gpio_request(GPIO_FN_SDHICMD0, NULL);
	gpio_request(GPIO_FN_SDHICLK0, NULL);
	gpio_request(GPIO_FN_SDHID0_3, NULL);
	gpio_request(GPIO_FN_SDHID0_2, NULL);
	gpio_request(GPIO_FN_SDHID0_1, NULL);
	gpio_request(GPIO_FN_SDHID0_0, NULL);

923 924 925 926 927 928 929
	/* SDHI1 */
	gpio_request(GPIO_FN_SDHICMD1, NULL);
	gpio_request(GPIO_FN_SDHICLK1, NULL);
	gpio_request(GPIO_FN_SDHID1_3, NULL);
	gpio_request(GPIO_FN_SDHID1_2, NULL);
	gpio_request(GPIO_FN_SDHID1_1, NULL);
	gpio_request(GPIO_FN_SDHID1_0, NULL);
930

931 932 933 934 935 936 937 938 939 940 941 942
	/* MMCIF */
	gpio_request(GPIO_FN_MMCD0_0, NULL);
	gpio_request(GPIO_FN_MMCD0_1, NULL);
	gpio_request(GPIO_FN_MMCD0_2, NULL);
	gpio_request(GPIO_FN_MMCD0_3, NULL);
	gpio_request(GPIO_FN_MMCD0_4, NULL);
	gpio_request(GPIO_FN_MMCD0_5, NULL);
	gpio_request(GPIO_FN_MMCD0_6, NULL);
	gpio_request(GPIO_FN_MMCD0_7, NULL);
	gpio_request(GPIO_FN_MMCCMD0, NULL);
	gpio_request(GPIO_FN_MMCCLK0, NULL);

943 944 945 946 947 948 949 950 951 952 953
	/* USB enable */
	gpio_request(GPIO_FN_VBUS0_1,    NULL);
	gpio_request(GPIO_FN_IDIN_1_18,  NULL);
	gpio_request(GPIO_FN_PWEN_1_115, NULL);
	gpio_request(GPIO_FN_OVCN_1_114, NULL);
	gpio_request(GPIO_FN_EXTLP_1,    NULL);
	gpio_request(GPIO_FN_OVCN2_1,    NULL);

	/* setup USB phy */
	__raw_writew(0x8a0a, 0xE6058130);	/* USBCR2 */

954 955 956 957 958 959 960 961 962 963 964 965 966 967 968
	/* enable FSI2 */
	gpio_request(GPIO_FN_FSIAIBT,	NULL);
	gpio_request(GPIO_FN_FSIAILR,	NULL);
	gpio_request(GPIO_FN_FSIAISLD,	NULL);
	gpio_request(GPIO_FN_FSIAOSLD,	NULL);
	gpio_request(GPIO_PORT161,	NULL);
	gpio_direction_output(GPIO_PORT161, 0); /* slave */

	gpio_request(GPIO_PORT9, NULL);
	gpio_request(GPIO_PORT10, NULL);
	gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
	gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */

	/* set SPU2 clock to 119.6 MHz */
	clk = clk_get(NULL, "spu_clk");
969
	if (!IS_ERR(clk)) {
970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
		clk_set_rate(clk, clk_round_rate(clk, 119600000));
		clk_put(clk);
	}

	/*
	 * set irq priority, to avoid sound chopping
	 * when NFS rootfs is used
	 *  FSI(3) > SMSC911X(2)
	 */
	intc_set_priority(IRQ_FSI, 3);

	i2c_register_board_info(0, i2c0_devices,
				ARRAY_SIZE(i2c0_devices));

	i2c_register_board_info(1, i2c1_devices,
				ARRAY_SIZE(i2c1_devices));

987
#ifdef CONFIG_AP4EVB_QHD
988

989
	/*
990 991
	 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
	 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023
	 */

	/* enable KEYSC */
	gpio_request(GPIO_FN_KEYOUT0, NULL);
	gpio_request(GPIO_FN_KEYOUT1, NULL);
	gpio_request(GPIO_FN_KEYOUT2, NULL);
	gpio_request(GPIO_FN_KEYOUT3, NULL);
	gpio_request(GPIO_FN_KEYOUT4, NULL);
	gpio_request(GPIO_FN_KEYIN0_136, NULL);
	gpio_request(GPIO_FN_KEYIN1_135, NULL);
	gpio_request(GPIO_FN_KEYIN2_134, NULL);
	gpio_request(GPIO_FN_KEYIN3_133, NULL);
	gpio_request(GPIO_FN_KEYIN4,     NULL);

	/* enable TouchScreen */
	set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);

	tsc_device.irq = IRQ28;
	i2c_register_board_info(1, &tsc_device, 1);

	/* LCDC0 */
	lcdc_info.clock_source			= LCDC_CLK_PERIPHERAL;
	lcdc_info.ch[0].interface_type		= RGB24;
	lcdc_info.ch[0].clock_divider		= 1;
	lcdc_info.ch[0].flags			= LCDC_FLAGS_DWPOL;
	lcdc_info.ch[0].lcd_size_cfg.width	= 44;
	lcdc_info.ch[0].lcd_size_cfg.height	= 79;

	platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));

#else
	/*
1024 1025
	 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
	 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1026
	 */
1027

1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067
	gpio_request(GPIO_FN_LCDD17,   NULL);
	gpio_request(GPIO_FN_LCDD16,   NULL);
	gpio_request(GPIO_FN_LCDD15,   NULL);
	gpio_request(GPIO_FN_LCDD14,   NULL);
	gpio_request(GPIO_FN_LCDD13,   NULL);
	gpio_request(GPIO_FN_LCDD12,   NULL);
	gpio_request(GPIO_FN_LCDD11,   NULL);
	gpio_request(GPIO_FN_LCDD10,   NULL);
	gpio_request(GPIO_FN_LCDD9,    NULL);
	gpio_request(GPIO_FN_LCDD8,    NULL);
	gpio_request(GPIO_FN_LCDD7,    NULL);
	gpio_request(GPIO_FN_LCDD6,    NULL);
	gpio_request(GPIO_FN_LCDD5,    NULL);
	gpio_request(GPIO_FN_LCDD4,    NULL);
	gpio_request(GPIO_FN_LCDD3,    NULL);
	gpio_request(GPIO_FN_LCDD2,    NULL);
	gpio_request(GPIO_FN_LCDD1,    NULL);
	gpio_request(GPIO_FN_LCDD0,    NULL);
	gpio_request(GPIO_FN_LCDDISP,  NULL);
	gpio_request(GPIO_FN_LCDDCK,   NULL);

	gpio_request(GPIO_PORT189, NULL); /* backlight */
	gpio_direction_output(GPIO_PORT189, 1);

	gpio_request(GPIO_PORT151, NULL); /* LCDDON */
	gpio_direction_output(GPIO_PORT151, 1);

	lcdc_info.clock_source			= LCDC_CLK_BUS;
	lcdc_info.ch[0].interface_type		= RGB18;
	lcdc_info.ch[0].clock_divider		= 2;
	lcdc_info.ch[0].flags			= 0;
	lcdc_info.ch[0].lcd_size_cfg.width	= 152;
	lcdc_info.ch[0].lcd_size_cfg.height	= 91;

	/* enable TouchScreen */
	set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);

	tsc_device.irq = IRQ7;
	i2c_register_board_info(0, &tsc_device, 1);
#endif /* CONFIG_AP4EVB_QHD */
1068

1069 1070
	sh7372_add_standard_devices();

1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081
	/* HDMI */
	gpio_request(GPIO_FN_HDMI_HPD, NULL);
	gpio_request(GPIO_FN_HDMI_CEC, NULL);

	/* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
#define SRCR4 0xe61580bc
	srcr4 = __raw_readl(SRCR4);
	__raw_writel(srcr4 | (1 << 13), SRCR4);
	udelay(50);
	__raw_writel(srcr4 & ~(1 << 13), SRCR4);

1082 1083 1084
	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
}

1085 1086 1087 1088
static void __init ap4evb_timer_init(void)
{
	sh7372_clock_init();
	shmobile_timer.init();
1089 1090

	/* External clock source */
1091
	clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1092 1093 1094 1095 1096 1097
}

static struct sys_timer ap4evb_timer = {
	.init		= ap4evb_timer_init,
};

1098 1099 1100 1101 1102 1103
MACHINE_START(AP4EVB, "ap4evb")
	.phys_io	= 0xe6000000,
	.io_pg_offst	= ((0xe6000000) >> 18) & 0xfffc,
	.map_io		= ap4evb_map_io,
	.init_irq	= sh7372_init_irq,
	.init_machine	= ap4evb_init,
1104
	.timer		= &ap4evb_timer,
1105
MACHINE_END